feat: automated releases and auto labelling

[jmeridth]

Part of https://github.com/github/github-ospo/issues/78

• [x] lint pr title adhering to conventional commits (helps with auto labelling)
  • [x] Update CONTRIBUTING.md
  • [x] automated releases
  • [x] how to file a bug report
  • [x] how to file an enhancement
  • [x] Update pull_request_template with new standard
• [x] setup autolabelling through release-drafter github action config
• [x] create auto-labeler workflow
• [x] change release-drafter workflow to release
  • [x] create release, including new tag
  • [x] create discussion announcement based on release
  • [x] build container images, tag them and release them

Manual Actions:

• [x] create revert and maintenance labels
• [x] put repository and category IDs into secrets for the discussion create action

Pull Request

Proposed Changes

Readiness Checklist

Author/Contributor

• [x] If documentation is needed for this change, has that been included in this pull request
• [x] run make lint and fix any issues that you have introduced
• [x] run make test and ensure you have test coverage for the lines you are introducing

Reviewer

• [x] Label as either bug, documentation, enhancement, infrastructure, or breaking

[jmeridth]

@zkoppert the secrets are present